FIX: A memory leak may occur when COM objects are passed as VARIANT in the Microsoft .NET Framework 1.1

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Article ID: 839047 - View products that this article applies to.
For a Microsoft Microsoft .NET Framework 1.0 version of this article, see 839046.
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SYMPTOMS

When a Component Object Model (COM) object is passed as a parameter in a COM Interop function call, the object will not be released if the parameter is defined as a VARIANT parameter and the function returns a failure HRESULT.

CAUSE

This problem occurs because COM Interop does not correctly clean up the VARIANT parameter if the COM function returns a failure HRESULT.

RESOLUTION

Software update information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 1.1 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

File information

The English version of this software update has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version        Size       File name
   ---------------------------------------------------------------
   18-Mar-2004  00:51  1.1.4322.1012     77,824  Corperfmonext.dll
   18-Mar-2004  00:48  1.1.4322.1012    282,624  Fusion.dll
   18-Mar-2004  00:48  1.1.4322.1012    311,296  Mscorjit.dll
   18-Mar-2004  00:52  1.1.4322.1012    102,400  Mscorld.dll
   19-Mar-2004  04:22  1.1.4322.1012  2,093,056  Mscorlib.dll
   18-Mar-2004  00:41                    10,748  Mscorlib.ldo
   18-Mar-2004  00:50  1.1.4322.1012  2,502,656  Mscorsvr.dll
   18-Mar-2004  00:51  1.1.4322.1012  2,490,368  Mscorwks.dll

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

MORE INFORMATION

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 839047 - Last Review: April 7, 2006 - Revision: 2.1
APPLIES TO
  • Microsoft .NET Framework 1.1
Keywords: 
kbqfe kbhotfixserver kbbug kbfix kbnetframe110presp1fix KB839047

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